Diaphragm pump



FIG. 1 is a front perspective view of a diaphragm pump from one end, according to the present invention;

FIG. 2 is a front perspective view of the diaphragm pump shown in FIG. 1 from the opposite end, according to the present invention;

FIG. 3 is a side view of the diaphragm pump shown in FIG. 1, according to the present invention;

FIG. 4 is a corresponding side view of the diaphragm pump from the side opposite of that shown in FIG. 3, according to the present invention;

FIG. 5 is a top view of the diaphragm pump shown in FIG. 1 according to the present invention;

FIG. 6 is a bottom view of the diaphragm pump shown in FIG. 1 according to the present invention;

FIG. 7 is a front view of the diaphragm pump shown in FIG. 1 according to the present invention; and,

FIG. 8 is a back view of the diaphragm pump shown in FIG. 1 according to the present invention.

The broken lines shown of elements found throughout the drawing disclosure is included for the purpose of illustrating non-claimed environmental matter and forms no part of the claimed design. 

CLAIM We claim the ornamental design of a diaphragm pump, as shown and described herein. 